1,strong air-flow,nice shape 2.DC5V, energy saving 3, ... ,excellent workmanship pink beautiful windmill computer soft foam blades mini USB desktop fan 1.Dutch style design,blades are removable on your ... gifts or self use. 13.Material:ABS&PVC14.Wire length:1.2m15.Blade diameter:170mm16.Package box size:115*115*172mm